CN109441836B

CN109441836B - Thin type pumping structure

Info

Publication number: CN109441836B
Application number: CN201811504937.7A
Authority: CN
Inventors: 申猛
Original assignee: Asia Vital Components Shenzhen Co Ltd
Current assignee: Asia Vital Components Shenzhen Co Ltd
Priority date: 2018-12-10
Filing date: 2018-12-10
Publication date: 2024-06-14
Anticipated expiration: 2038-12-10
Also published as: CN109441836A

Abstract

The invention provides a thin pumping structure, which comprises a pump shell, a rotor set, a stator set, a guide plate and a sealing piece, wherein the pump shell is provided with a first side and a second side, the first side forms a pumping chamber, an axle center is convexly arranged at the center of the pumping chamber, the second side is opposite to the pumping chamber and concavely arranged at the position of the pumping chamber to form a concave chamber, the rotor set is provided with a pivot hole, the rotor set is correspondingly accommodated in the pumping chamber and is pivoted with the axle center, the rotor set is provided with an impeller and a magnetic element, the magnetic element is arranged on the lower side surface of the impeller, the stator set is correspondingly accommodated in the concave chamber and horizontally oppositely arranged with the magnetic element to mutually induce excitation, the guide plate correspondingly covers the pumping chamber, and the sealing piece correspondingly covers the pump shell.

Description

Thin type pumping structure

Technical Field

The present invention relates to a thin pump structure, and more particularly, to a thin pump structure with greatly reduced overall volume and improved service life.

Background

With the increasing computing performance of electronic devices, the electronic devices disposed therein generate a large amount of heat during operation, and a radiator or a heat dissipation fin is usually disposed on the electronic devices to increase a heat dissipation area and further improve the heat dissipation performance.

The existing water cooling device exchanges heat between heat absorbed to the heating element (processor or graphic processor) and a cooling liquid in the water cooling device, and then circulates the cooling liquid through a pump in the water cooling device.

As shown in fig. 1, the pump structure 1 in the conventional water cooling device includes a pump housing 10, a rotor set 11, a stator set (not shown), a baffle 12 and a sealing member 13, wherein a pump chamber 101 is formed at one side of the pump housing 10, a shaft seat 102 is disposed in the pump chamber 101, the rotor set 11 is pivoted on the shaft seat 102, the stator set is accommodated at the other side of the pump housing 10 opposite to the pump chamber 101, the baffle 12 covers the pump chamber 101 correspondingly, the sealing member 13 covers the pump housing 10 correspondingly, when the conventional pump structure 1 starts to operate, the shaft center of the rotor set 11 is continuously rubbed with the pump housing 10 to cause a mechanical loss problem, thus reducing the service life of the pump structure 1, and besides, the shaft center and the pump housing 10 are rubbed simultaneously, a noise problem is easily generated, and besides, the pump housing 10 also has a thicker overall volume and thickness of the conventional pump structure 1 due to a larger axial space requirement caused by the space required by the shaft seat 102 and the rotor set 11.

Accordingly, it is an urgent need to solve the above-mentioned problems and disadvantages, namely, the present inventors and related manufacturers who are engaged in the industry to study and improve the above-mentioned problems and disadvantages.

Disclosure of Invention

In order to solve the above problems, it is a primary object of the present invention to provide a thin pump structure that can greatly reduce the overall volume.

It is a secondary object of the present invention to provide a slim pump structure having a slim profile.

The invention provides a thin pump structure capable of greatly reducing the production cost.

The invention aims to provide a thin pump structure which can greatly reduce the loss rate and further improve the service life.

In order to achieve the above object, the present invention provides a thin pump structure, comprising:

The pump housing is provided with a first side and a second side, the first side forms a pumping chamber, the pumping chamber is convexly provided with an axle center, and the second side is opposite to the pumping chamber and concavely provided with a concave chamber;

The rotor set is provided with a pivot hole, the rotor set is correspondingly accommodated in the pumping cavity and is pivoted with the axle center, the rotor set is provided with an impeller and a magnetic element, and the magnetic element is arranged on the lower side surface of the impeller;

The stator group is correspondingly accommodated in the concave chamber, and is horizontally and oppositely arranged with the magnetic element to mutually induce excitation;

A deflector corresponding to the pump chamber; and

And the sealing piece is correspondingly covered on the pump housing.

The thin pumping structure comprises: the concave chamber is convexly arranged corresponding to the pumping chamber to form a sleeved part, a plurality of raised strips are axially and convexly arranged at intervals on the periphery of the sleeved part, a containing part is formed between the raised strips, the stator group consists of a plurality of silicon steel sheets, a through hole is formed in the center of the stator group, and the through hole is correspondingly sleeved on the sleeved part.

The thin pumping structure comprises: the stator set is provided with a plurality of poles, and each pole is wound with a plurality of coils.

The thin pumping structure comprises: the tail end of each pole column is also extended to form a magnetic induction part which is correspondingly clamped in the accommodating part and horizontally and oppositely arranged with the magnetic element to mutually induce excitation.

The thin pumping structure comprises: the guide plate is provided with a top surface and a bottom surface, wherein the top surface forms at least one convex body to prop against the sealing piece, and the bottom surface corresponds to the cover of the pumping chamber.

The thin pumping structure comprises: the guide plate is also provided with an opening penetrating through the top surface and the bottom surface, and the opening is correspondingly communicated with the pivot hole.

The thin pumping structure comprises: the pump housing is also provided with a separation part which separates the pumping chamber into a first chamber and a second chamber, a water inlet and a water outlet are respectively arranged on the outer periphery side of the pump housing, the water inlet is communicated with the second chamber, and the water outlet is communicated with the first chamber.

The thin pumping structure comprises: the pump shell is also provided with a stator cover correspondingly covering the stator group, the stator cover is provided with an opening communicated with the through hole, and the stator cover is correspondingly sleeved on the sleeved part.

Through the design of the structure, when the thin pumping structure starts to operate, the magnetic induction part formed at the tail end of the pole and the magnetic element of the rotor set mutually induce to generate excitation, a first gap is formed between the pivot hole and the axle center and a second gap is formed between the peripheral side of the rotor set and the pumping cavity at the same time of excitation, so that the rotor set forms a magnetic levitation state, the rotor set is driven to continuously rotate in the pumping cavity to achieve the operation mode of the rotor set, and the rotor set is magnetically levitated in the pumping cavity to form a suspended working state, so that the rotor set and the pump housing can be prevented from rubbing mutually, the mechanical loss rate is reduced, the service life is greatly prolonged, parts such as a bearing and a fixing device in the conventional pumping structure can be omitted, the production cost is greatly reduced, and noise generated by friction between the conventional bearing and the axle center can be avoided.

Drawings

FIG. 1 is an exploded perspective view of a prior art pump structure;

FIG. 2 is an exploded perspective view of a first embodiment of the slim pump construction of the present invention;

FIG. 3 is another perspective exploded view of a first embodiment of the slim pump structure of the present invention;

FIG. 4 is a perspective combination view of a first embodiment of a slim pump construction of the present invention;

Fig. 5 is a cross-sectional view of a first embodiment of the slim pump structure of the present invention.

Reference numerals illustrate: a pump structure 1; a pump housing 10; a pumping chamber 101; an axle center seat 102; a rotor group 11; a deflector 12; a closure 13; a thin pump structure 2; a pump housing 20; a first side 201; a pump chamber 2011; a first chamber 2011a; a second chamber 2011b; an axial center 2013; a second side 202; a recess 2021; a fitting portion 2022; a convex strip 2023; a housing portion 2024; a partition 203; a water inlet 204; a water outlet 205; a rotor group 21; a pivot hole 211; an impeller 212; a magnetic element 213; a first gap 214; a second gap 215; a stator group 22; a silicon steel sheet 221; a post 222; a magnetic induction section 223; a through hole 224; a deflector 23; a top surface 231; a boss 2311; a bottom surface 232; opening 2321; a closure 24; a coil 25; a stator cover 26; an opening 261.

Detailed Description

The above objects of the present invention, as well as the structural and functional characteristics thereof, will be described in terms of the preferred embodiments of the present invention as illustrated in the accompanying drawings.

Referring to fig. 2, 3, 4 and 5, which are perspective exploded views and cross-sectional views of a first embodiment of a thin pump structure of the present invention, as shown in the drawings, a thin pump structure 2 includes a pump housing 20, a rotor set 21, a stator set 22, a baffle 23 and a sealing member 24, the pump housing 20 has a first side 201 and a second side 202, the first side 201 is formed with a pump chamber 2011, the pump chamber 2011 is convexly provided with an axle center 2013, the second side 202 is concavely provided with a recess 2021 opposite to the pump chamber 2011, the recess 2021 is convexly provided with a sleeve portion 2022 corresponding to the pump chamber 2011, a plurality of protruding strips 2023 are convexly provided at an outer circumference of the sleeve portion 2022, and a receiving portion 2024 is formed between each protruding strip 2023 and each protruding strip 2023;

In addition, the pump housing 20 further has a partition 203 for partitioning the pumping chamber 2011 into a first chamber 2011a and a second chamber 2011b, a water inlet 204 and a water outlet 205 are respectively disposed on the outer periphery side of the pump housing 20, the water inlet 204 is communicated with the second chamber 2011b, and the water outlet 205 is communicated with the first chamber 2011 a;

The rotor set 21 has a pivot hole 211, the rotor set 21 is correspondingly accommodated in the pumping chamber 2011 and the pivot hole 211 and the shaft center 2013 are pivoted with each other, the rotor set 21 includes an impeller 212 and a magnetic element 213, the magnetic element 213 is disposed on the lower side surface of the impeller 212, a first gap 214 is formed between the pivot hole 211 and the outer peripheral side of the shaft center 2013, a second gap 215 is formed between the outer peripheral side of the rotor set 21 and the inner peripheral side of the pumping chamber 2011, and the first gap 214 and the second gap 215 are communicated with the pumping chamber 2011;

The stator set 22 is composed of a plurality of silicon steel plates 221, and a through hole 224 is formed at the center thereof, the stator set 22 is correspondingly accommodated in the recess 2021 and correspondingly sleeved on the sleeved portion 2022, in addition, the stator set 22 is provided with a plurality of poles 222, the tail end of each pole 222 is respectively wound with a plurality of coils 25, and the tail end of each pole 222 is further extended to form a magnetic sensing portion 223, and the magnetic sensing portion 223 is correspondingly clamped in the accommodating portion 2024 and horizontally opposite to the magnetic element 213 so as to enable mutual induction excitation between the two;

in addition, the pump housing 20 further has a stator cover 26 corresponding to the stator set 22, the stator cover 26 has an opening 261 in communication with the through hole 224 and correspondingly sleeved on the sleeved portion 2022;

The baffle 23 has a top surface 231 and a bottom surface 232, the sealing member 24 is correspondingly covered on the pump housing 20, the top surface 231 of the baffle 23 forms at least one protrusion 2311 to abut against the sealing member 24, the bottom surface 232 correspondingly covers the pump chamber 2011, an opening 2321 penetrates through the top surface 231 and the bottom surface 232, and the opening 2321 is correspondingly communicated with the pivot hole 211;

Through the design of the structure of the present invention, when the thin pumping structure 2 starts to operate, the magnetic induction portion 223 formed at the end of the pole 222 and the magnetic element 213 of the rotor set 21 induce each other to generate excitation, and the first gap 214 and the second gap 215 are formed at the same time of excitation to form a magnetic levitation state, so as to drive the rotor set 21 to rotate continuously in the pumping chamber 2011 to achieve the operation mode of the rotor set 21, and further, since the rotor set 21 is magnetically levitated in the pumping chamber 2011 to form a suspended operation state, the problem of mutual friction between the rotor set 21 and the pump housing 20 is prevented, thereby reducing the mechanical loss rate, greatly improving the service life of the thin pumping structure 2, and besides, the parts such as bearings and fixing devices in the existing pumping structure can be omitted, so that the whole volume is greatly reduced to have a thin effect, and the production cost is reduced, and the noise problem caused by the friction between the existing bearings and the axle center is also avoided.

As described above, the present invention has the following advantages over the prior art:

1. The whole volume is greatly reduced;

2. Has thin shape;

3. the production cost is greatly reduced;

4. greatly reducing the loss rate so as to improve the service life;

5. Greatly reducing noise.

The above description is illustrative of the invention and is not to be construed as limiting, and it will be understood by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A slim pumping structure, comprising:

The rotor set is provided with a pivot hole, the rotor set is correspondingly accommodated in the pumping cavity and is pivoted with the axle center, the rotor set is provided with an impeller and a magnetic element, and the magnetic element is arranged on the lower side surface of the impeller; a first gap is formed between the inner peripheral side of the pivot hole and the outer peripheral side of the axle center, a second gap is formed between the outer peripheral side of the rotor set and the inner peripheral side of the pumping chamber, and no bearing is arranged between the inner peripheral side of the pivot hole and the outer peripheral side of the axle center;

the stator group is correspondingly accommodated in the concave chamber, is horizontally and oppositely arranged with the magnetic element to mutually induce excitation, and enables the rotor group to be magnetically floated between the first gap and the second gap when running, so that suspension is formed in the pumping chamber;

the guide plate is correspondingly covered with the pumping chamber and is provided with an opening which is correspondingly communicated with the pivot hole, and one bottom surface of the guide plate is correspondingly covered with the pumping chamber; and

And the sealing piece is correspondingly covered on the pump housing.

2. The slim pumping structure of claim 1, wherein: the concave chamber is convexly arranged corresponding to the pumping chamber to form a sleeved part, a plurality of raised strips are axially and convexly arranged at intervals on the periphery of the sleeved part, a containing part is formed between the raised strips, the stator group consists of a plurality of silicon steel sheets, a through hole is formed in the center of the stator group, and the through hole is correspondingly sleeved on the sleeved part.

3. The slim pumping structure of claim 2, wherein: the stator set is provided with a plurality of poles, and each pole is wound with a plurality of coils.

4. A slim pump structure as claimed in claim 3, wherein: the tail end of each pole column is also extended to form a magnetic induction part which is correspondingly clamped in the accommodating part and horizontally and oppositely arranged with the magnetic element to mutually induce excitation.

5. The slim pumping structure of claim 1, wherein: the guide plate is provided with a top surface and a bottom surface, and the top surface forms at least one convex body to prop against the sealing piece.

6. The slim pumping structure of claim 5, wherein: the opening of the guide plate penetrates through the top surface and the bottom surface of the guide plate, and the opening is correspondingly communicated with the pivot hole.

7. The slim pumping structure of claim 1, wherein: the pump housing is also provided with a separation part which separates the pumping chamber into a first chamber and a second chamber, a water inlet and a water outlet are respectively arranged on the outer periphery side of the pump housing, the water inlet is communicated with the second chamber, and the water outlet is communicated with the first chamber.

8. The slim pumping structure of claim 2, wherein: the pump shell is also provided with a stator cover correspondingly covering the stator group, the stator cover is provided with an opening communicated with the through hole, and the stator cover is correspondingly sleeved on the sleeved part.